Gear Guide

Juice Pack Air

The Juice Pack Air is a case-like external battery pack for the iPhone 3G. It features a rechargeable 1200mAh lithium polymer battery integrated in a hard-shell case. The Air will also feature pass-through USB charging and syncing, an on/off switch, a 4 LED charge status indicator, and a slide-together design. It will be available this spring in black, white, and purple.

Editors' Note: iLounge only reviews products in "final" form, but many companies now change their offerings - sometimes several times - after our reviews have been published.
This iLounge article provides more information on this practice, known as revving.